Website.comAutomated emails: lifecycle emails @ +3, +7, +30d status / best of weekly/monthly something happened emails BUT: make it easy to unsubscribeTip on emails: > 80% or more on SUBJECT LINE < 20% or less on BODY TEXTRetention

Cohort Analysis:Distrib of Visits over TimeRate of DecayEffective Customer Lifecycle

ResourcesSEO Book Blogseobook.com/blogThe Social Media Manual: Read Before You Playsearchengineland.com/071120-144401.phpStrategies to ruthlessly acquire usersandrewchen.typepad.com/andrew_chens_blog/2007/04/10_obvious_stra.html